Question:
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
A
20 to 45 psi.
explanation
The trailer air supply control should pop out when the air pressure falls into the pressure range specified by the manufacturer. (Usually within the range of 20 to 45 psi)
Take more free practice tests for other CDL topics with our free cdl prep test now!
Related Information
Comments